<< Click to Display Table of Contents >> Navigation:  HydroSWMM User Guide > Stormwater Analysis and Design > Definition of Model Component Terms > Weir

Weirs are similar to orifices and are used to model diversions. A flap gate can be set to ensure that there is no backflow in the link.  There are five different types of weirs and they are defined as the following:

1.        TRANSVERSE
2.        SIDEFLOW
3.        V-NOTCH
4.        TRAPEZOIDAL
5.        ROADWAY